Apparatus for forming a seam

Details Apparatus for forming a seam Apparatus for forming a seam

1997-08-06

1998-09-29

Rowan, Kurt

Sheet metal container making

Apparatus applying closure to receptacle

Seamer

279102, 72462, B21D 5132

Patent

active

058138129

ABSTRACT:
A chuck, for use in a machine forming a double seam joining a can body to an end wall of a can, has a hollow body portion 36 made of machinable material and an annulus 37 of harder material joined to the body portion to define a lower part of the side wall of the chuck. The annulus of harder material is preferably covered by an impervious continuous layer 38 of hard material such as titanium nitride, chromium carbide, iron boride or chromium boride.

REFERENCES:
patent: 4268569 (1981-05-01), Hale
patent: 5027580 (1991-07-01), Hymes et al.
patent: 5095730 (1992-03-01), Lauder
patent: 5477722 (1995-12-01), Dziedzic

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